Update README.md

Author: ViralBShah

README.md

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 # BFloat16s.jl
-[![Docs](https://img.shields.io/badge/docs-stable-blue.svg)](https://github.com/JuliaMath/BFloat16s.jl/stable/)  [![Docs](https://img.shields.io/badge/docs-dev-blue.svg)](https://github.com/JuliaMath/BFloat16s.jl/dev/) [![MIT license](http://img.shields.io/badge/license-MIT-brightgreen.svg)](http://opensource.org/licenses/MIT) 
+(https://img.shields.io/badge/docs-dev-blue.svg)](https://github.com/JuliaMath/BFloat16s.jl/dev/) [![MIT license](http://img.shields.io/badge/license-MIT-brightgreen.svg)](http://opensource.org/licenses/MIT) 
 
 This package defines the [BFloat16 data type](https://en.wikipedia.org/wiki/Bfloat16_floating-point_format),
 a floating-point format with 1 sign bit, 8 exponent bits and 7 mantissa bits.